#66FB8A#66FB8A

#66FB8A is a very light, vivid green. Relative luminance 0.737; OKLCH L 88.2% C 0.200 H 148.6°. Best body text is #000000 at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#66FB8A
RGB	rgb(102, 251, 138)
HSL	hsl(134, 95%, 69%)
HSV	hsv(134, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 45%, 1.6%)
CIE-LAB	lab(88.76, -63.11, 42.44)
CIE-LCH	lch(88.76, 76.05, 146.08°)
OKLab	oklab(88.16% -0.1706 0.1039)
OKLCH	oklch(88.16% 0.2 148.6)
XYZ	xyz(44.5610, 73.6498, 35.9074)
Luminance	0.7365 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB8A #FB66D7

analogous

#8DFB66 #66FB8A #66FBD5

triadic

#66FB8A #8A66FB #FB8A66

tetradic

#66FB8A #668DFB #FB66D7 #FBD566

square

#66FB8A #668DFB #FB66D7 #FBD566

split-complementary

#66FB8A #D566FB #FB668D

monochromatic

#06E13B #2AF95C #66FB8A #A2FDB8 #DDFEE5

Accessibility & contrast

On white

1.33

#66FB8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.73

#66FB8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB8A

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB8A	#FFFFFF	#000000	##000000
##66FB8A	1.00	1.33	15.73	15.73
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.73	21.00	1.00	1.00
##000000	15.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE781

Deuteranopia (green-blind)

#EADA92

Tritanopia (blue-blind)

#3DF6E0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fb8a;
/* rgb */ color: rgb(102, 251, 138);
/* oklch */ color: oklch(88.2% 0.200 148.6);

Tailwind

colors: {
  custom: {
    50: '#9efead',
    500: '#66fb8a',
    950: '#000000',
  },
}

SCSS

$custom: #66fb8a;
$custom-light: #9efead;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb8a",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 138
  },
  "hsl": {
    "h": 134.497,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88163,
    "c": 0.19973,
    "h": 148.6
  },
  "luminance": 0.73654
}

Semantic roles & 50–950 ramp

primary

#66FB8A

secondary

#D530AD

accent

#00AEE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FB8A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →